Black Cohosh for Hot Flashes
Evidence-Based Natural Remedy Guide
Effectiveness
Type
herb
Sources
1 cited
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How Black Cohosh Helps with Hot Flashes
Black cohosh modulates serotonin receptors involved in thermoregulation, reducing hot flash frequency and severity. It is the most studied herb for menopausal hot flashes.
🔬 What the Research Says
A 2012 Cochrane review found some evidence that black cohosh reduces hot flash frequency, with several individual trials showing 25-50% reduction in hot flash frequency.
[1] Black cohosh for menopausal symptoms — Cochrane Database of Systematic Reviews (2012)
📋 How to Use
Take standardized black cohosh extract capsules daily. Effects typically noticed after 4-8 weeks of consistent use.
💊 Recommended Dosage
20-40mg standardized black cohosh extract twice daily. Allow 8-12 weeks for full effect.
⚠️ Side Effects & Cautions
Generally safe for up to 6 months. Rare liver toxicity reported - avoid with liver disease. May cause GI upset.
🛒 Where to Buy Black Cohosh
Nature's Way Black Cohosh Root
★★★★ 4.3 · $8-14
Other Natural Remedies for Hot Flashes
Other Conditions Black Cohosh Helps
📚 Sources
- Black cohosh for menopausal symptoms — Cochrane Database of Systematic Reviews (2012)
Last reviewed: February 2026 · Medical disclaimer applies
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